Makrognosis

Japan CPI — Gas (2025=100 index)

MonthlyNot seasonally adjustedCode JP.CPI.M.NSA.GRP-GAS

Latest (y/y)2.4%September 2026
Previous (y/y)2.0%August 2026
Level99.50September 2026

Japan CPI — Gas (2025=100 index) was up 2.4% year on year in September 2026, compared with 2.0% in August 2026.

The level stood at 99.50 (index).

That is the highest reading since June 2025.

Over the past ten years it has ranged from −13.9% (Dec 2023) to 23.4% (Dec 2022), averaging 2.0%.

Japan CPI — Gas (2025=100 index), annual % change, Jan 2002 – Sep 2026−20%−10%0%10%20%20052010201520202025Robomacro
Japan CPI — Gas (2025=100 index), annual % change, Jan 2002 – Sep 2026. Source: Statistics Bureau of Japan (e-Stat).
Japan CPI — Gas (2025=100 index), level (index)6070809010011020052010201520202025Robomacro
Japan CPI — Gas (2025=100 index), level (index).

Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.

Recent data

PeriodValueY/Y %
September 202699.502.4
August 2026100.62.0
July 2026103.41.6
June 2026101.9−0.8
May 2026101.1−1.7
April 202698.30−3.2
March 202693.50−5.3
February 202693.30−5.1
January 202699.50−0.5
December 202599.70−2.2
November 202599.800.8
October 202597.100.6
September 202597.201.6
August 202598.60−2.8
July 2025101.80.0
June 2025102.72.7
May 2025102.95.4
April 2025101.64.4
March 202598.702.5
February 202598.303.4
January 2025100.01.9
December 2024101.97.8
November 202499.005.5
October 202496.503.5

Last 24 observations. The full history (309 observations) is available through the API.

Get Japan CPI — Gas (2025=100 index) in your code or spreadsheet

One guessable code, agency-direct, updated on release. Free tier available.

curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/JP.CPI.M.NSA.GRP-GAS"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/JP.CPI.M.NSA.GRP-GAS",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
Get a free API key → · API docs

About this series

Latest observationSeptember 2026
First observationJanuary 2001
Observations309
FrequencyMonthly
Unitsindex
AdjustmentNot seasonally adjusted
10-year high23.4% (Dec 2022)
10-year low−13.9% (Dec 2023)
10-year average2.0%
Source agencyStatistics Bureau of Japan (e-Stat)
Makrognosis codeJP.CPI.M.NSA.GRP-GAS

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Other Japan indicators

Japan GDP (Gross Domestic Product)Japan Nominal GDP, expenditure side, current prices, SA at annual rate (Cabinet Office QE)Japan CPI: All items (2025=100)Japan Inflation Rate (CPI)Japan Core Inflation RateJapan Unemployment RateJapan Unemployment Rate (not seasonally adjusted)Japan Credit Rating & Sovereign Risk ScoreJapan Industrial ProductionJapan Producer Price Inflation (PPI)Japan Current Account Balance (BoP, monthly)Japan Trade Balance: Goods & ServicesJapan Merchandise Exports, BoP basis (Goods Credit, BPM6)Japan Merchandise Imports, BoP basis (Goods Debit, BPM6)Japan EmploymentJapan M2 Money Stock

FAQ

What is the current cPI — Gas (2025=100 index) in Japan?
The latest reading is 2.4% year on year for September 2026, published by Statistics Bureau of Japan (e-Stat).
Where does this data come from?
It is collected directly from Statistics Bureau of Japan (e-Stat) and is available through the Makrognosis API under the code JP.CPI.M.NSA.GRP-GAS.

Last updated 2026-11-04. Source: Statistics Bureau of Japan (e-Stat). Original title: “Japan CPI — Gas (2025=100 index)”.